Exposure
- ID
- GRAVI.2023-03-16T05:03:16.783_2
- Header ID
- GRAVI.2023-03-16T05:03:16.783
- Date updated
- 2023-03-16 05:10:54 UTC+0000
- Release date
- 2023-03-16 05:03:16 UTC+0000
- UTC Start
- 2023-03-16 05:03:16.783
- UTC End
- 2023-03-16 05:04:46.783
- MJD Start
- 60019.21061092
- MJD End
- 60019.2116525867
- Exposure time (s)
- 90.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.009556
- Ambient temperature (°C)
- 12.91
- Seeing (arcsec)
- 0.49
Observation
- ID
- 54183
- Category
- calibrator
- Program ID
- 106.217D.005
- Program Title
- HIGH PRECISION GRAVITY ASTROMETRY OF THREE STELLAR CONJUNCTIONS OF ALPHA CENTAURI A & B
- Program Type
- Monitoring
- PI / COI
- KERVELLA/ MÉRAND/ LACOUR/ FORVEILLE/ ARENOU/ THEVENIN/ BRANDNER/ STRAUBMEIER/ GARCIA/ WOILLEZ/ EISENHAUER/ PAUMARD/ PERRIN/ ROUSSELET-PERRAUT
Target
- ID
- 37814
- Name
- WDSJ15479-6527A
- RA
- 236.971066666667
- DEC
- -65.4423077777778
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- A0 G1 J2 K0
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-G1 | 69.4720 | 69.6270 | 54.5000 | 55.0000 |
| A0-J2 | 119.0360 | 119.1320 | 35.8000 | 36.3000 |
| A0-K0 | 127.4070 | 127.4220 | 22.3310 | 22.7580 |
| G1-J2 | 57.7190 | 57.7130 | 13.1000 | 13.5000 |
| G1-K0 | 77.9800 | 77.9950 | 353.9850 | 354.2860 |
| J2-K0 | 30.1160 | 30.2040 | 315.1090 | 315.3510 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 106.217D.005 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,DUAL |
| MJD-OBS | 60019.21061092 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | WDSJ15479-6527A |
| HIERARCH ESO INS SOBJ NAME | WDSJ15479-6527B |
| RA | 236.965665 |
| DEC | -65.44267 |
| HIERARCH ESO INS SPEC RES | MEDIUM |
| HIERARCH ESO INS POLA MODE | SPLIT |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | A0 |
| HIERARCH ESO ISS CONF STATION2 | G1 |
| HIERARCH ESO ISS CONF STATION3 | J2 |
| HIERARCH ESO ISS CONF STATION4 | K0 |
| EXPTIME | 111.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 3.0 |
| HIERARCH ESO DET2 NDIT | 30 |
| HIERARCH ESO ISS PBL12 START | 69.472 |
| HIERARCH ESO ISS PBL12 END | 69.627 |
| HIERARCH ESO ISS PBLA12 START | 54.5 |
| HIERARCH ESO ISS PBLA12 END | 55.0 |
| HIERARCH ESO ISS PBL13 START | 119.036 |
| HIERARCH ESO ISS PBL13 END | 119.132 |
| HIERARCH ESO ISS PBLA13 START | 35.8 |
| HIERARCH ESO ISS PBLA13 END | 36.3 |
| HIERARCH ESO ISS PBL14 START | 127.407 |
| HIERARCH ESO ISS PBL14 END | 127.422 |
| HIERARCH ESO ISS PBLA14 START | 22.331 |
| HIERARCH ESO ISS PBLA14 END | 22.758 |
| HIERARCH ESO ISS PBL23 START | 57.719 |
| HIERARCH ESO ISS PBL23 END | 57.713 |
| HIERARCH ESO ISS PBLA23 START | 13.1 |
| HIERARCH ESO ISS PBLA23 END | 13.5 |
| HIERARCH ESO ISS PBL24 START | 77.98 |
| HIERARCH ESO ISS PBL24 END | 77.995 |
| HIERARCH ESO ISS PBLA24 START | 353.985 |
| HIERARCH ESO ISS PBLA24 END | 354.286 |
| HIERARCH ESO ISS PBL34 START | 30.116 |
| HIERARCH ESO ISS PBL34 END | 30.204 |
| HIERARCH ESO ISS PBLA34 START | 315.109 |
| HIERARCH ESO ISS PBLA34 END | 315.351 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.010227 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008885 |
| HIERARCH ESO ISS AMBI TEMP | 12.91 |
| HIERARCH ESO ISS AMBI FWHM START | 0.5 |
| HIERARCH ESO ISS AMBI FWHM END | 0.48 |
| HIERARCH ESO FT ROBJ NAME | WDSJ15479-6527A |
| HIERARCH ESO FT ROBJ ALPHA | 154753.056 |
| HIERARCH ESO FT ROBJ DELTA | -652632.308 |